Experimental investigation of wave propagation in three dimensions in unbounded particulate assemblies

Simon Hamlin, Erdin Ibraim, Martin Lings, David Muir Wood, Ignazio Cavarretta, Jean-Francois Camenen

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

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Abstract

Understanding wave propagation through soils is essential for site response analysis in earthquake engineering, interpretation of geophysical surveys and SASW (Spectral Analysis of Surface Waves), interpretation of laboratory bender element tests, etc. Analysis of wave propagation has largely been based on continuum descriptions and two dimensional analyses. This study presents recent developments in multiaxial testing that permit the combination of laboratory seismic testing with exploration of three-dimensional principal stress space. A Cubical Cell Apparatus with bender-extender piezoceramic elements fitted in all six faces are used so that wave propagation velocities of an analogue granular material can be determined. The results of a first series of wave propagation tests for a sample under isotropic confinement are presented.
Original languageEnglish
Title of host publicationDeformation Characteristics of Geomaterials
Subtitle of host publication6th International Symposium on Deformation Characteristics of Geomaterials
EditorsVictor A Rinaldi, Marcelo E Zeballos, Juan Jose Clariá
PublisherIOS Press
Pages390-397
Number of pages8
ISBN (Electronic)9781614996019
ISBN (Print)9781614996002
DOIs
Publication statusPublished - 2015

Publication series

NameAdvances in Soil Mechanics and Geotechnical Engineering
PublisherIOS Press
Volume6
ISSN (Print)2212-781X
ISSN (Electronic)2212-7828

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